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Cylindricum
Classification
Phylum:
Trace Fossils and Problematica
Class:
Trace Fossils
Formal Genus Name and Reference:
Cylindricum LINCK, 1949, p. 19
Type Species:
*Tubifex antiquus Plieninger, 1845, p. 159 (=Cylindricum gregarium Linck, 1949b, p. 19, see LINCK, 1961, p. 9), OD
Images
(Click to enlarge in a new window)
Fig. 35,4. *C. antiquum (PLIENINGER), U.Trias.(M.Keuper), Ger.; 4a, U.Trias. (Schilfsandst.), diagram. (after Seilacher, 1955); 4b, X1 (Linck, 1949b)
Synonyms
Tubifex
Geographic Distribution
Dev., Antarct.; ? L.Carb.(Kulm), Eu.(Ger.); L.Trias.(Buntsandstein), Eu.(Ger.); U.Trias.(Keuper), Eu.(Ger.); ?M.Jur., Eu.(Ger.)
Age Range
Beginning Stage in Treatise Usage:
Dev., ?L.Carb., L.Trias
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
U.Trias., ?M.Jur.
Ending International Stage:
Callovian
Fraction Up In Ending Stage:
100
Ending Date:
161.53
Description
Plugs (fillings of tubes) shaped like test tubes, rounded at lower end, not pointed, walls smooth, diameter up to 5 cm., up to several cm. long, preserved in groups in convex hyporelief oriented perpendicular to bedding plane. [Dwelling burrow.]
References
Museum or Author Information
Classification
Phylum:
Trace Fossils and Problematica
Class:
Trace Fossils
Formal Genus Name and Reference:
Cylindricum LINCK, 1949, p. 19
Type Species:
*Tubifex antiquus Plieninger, 1845, p. 159 (=Cylindricum gregarium Linck, 1949b, p. 19, see LINCK, 1961, p. 9), OD
Images
(Click to enlarge in a new window)
Fig. 35,4. *C. antiquum (PLIENINGER), U.Trias.(M.Keuper), Ger.; 4a, U.Trias. (Schilfsandst.), diagram. (after Seilacher, 1955); 4b, X1 (Linck, 1949b)
Synonyms
Tubifex
Geographic Distribution
Dev., Antarct.; ? L.Carb.(Kulm), Eu.(Ger.); L.Trias.(Buntsandstein), Eu.(Ger.); U.Trias.(Keuper), Eu.(Ger.); ?M.Jur., Eu.(Ger.)
Age Range
Beginning Stage in Treatise Usage:
Dev., ?L.Carb., L.Trias
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
U.Trias., ?M.Jur.
Ending International Stage:
Callovian
Fraction Up In Ending Stage:
100
Ending Date:
161.53
Description
Plugs (fillings of tubes) shaped like test tubes, rounded at lower end, not pointed, walls smooth, diameter up to 5 cm., up to several cm. long, preserved in groups in convex hyporelief oriented perpendicular to bedding plane. [Dwelling burrow.]